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WorksheetsTCI 3.5 Review
Total questions: 10
Worksheet time: 5mins
What can cause properties of matter to change?
adding energy
removing energy
mixing substances
all of the above
What is an example of a reaction caused by heating matter?
liquid water becoming water vapor
a balloon expanding in the heat
a muffin puffing up and browning in the oven
water expanding in the freezer
A substance _________when you cool it.
always contracts
usually contracts
usually expands
always expands
Dissolving sugar in water causes
the properties of the liquid to change and a reaction to occur.
the properties of the liquid to change but no reaction to occur.
no properties of the liquid to change but a reaction to occur.
no properties of the liquid to change and no reaction to occur.
Why are other metals, like copper, dissolved in gold?
they make the gold softer
they make the gold harder
they make the copper brittle
they make the copper stronger
Mixing the liquids in a glow stick causes
energy to be released.
energy to be stored.
the liquids to dissolve.
the liquid to cool down
What is rusting an example of?
a change caused by heating
a reaction caused by mixing.
a change caused by dissolving.
a reaction caused by cooling.
The cold air in a freezer _________ the reactions that spoil food.
speeds up
slows down
completely stops
does not affect
Food spoils because
particles hit each other.
particles slow down.
particles speed up.
particles disappear.
What is an example of a reaction caused by cooling matter?
liquid water turning into solid ice
gelatin becoming a solid-like gel
a balloon contracting in the cold
liquid in a thermometer going down
